nginx 0.7.64 Terminal input validation

CVSS Meta Temp Score
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CTI Interest Score
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4.8$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in nginx 0.7.64. This impacts an unknown function of the component Terminal. The manipulation leads to input validation. This vulnerability is listed as CVE-2009-4487. In addition, an exploit is available.

Detailsinfo

A vulnerability was found in nginx 0.7.64 (Web Server). It has been rated as critical. This issue affects some unknown processing of the component Terminal. The manipulation with an unknown input leads to a input validation vulnerability. Using CWE to declare the problem leads to CWE-20. The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly. Impacted is confidentiality. The summary by CVE is:

nginx 0.7.64 writes data to a log file without sanitizing non-printable characters, which might allow remote attackers to modify a window s title, or possibly execute arbitrary commands or overwrite files, via an HTTP request containing an escape sequence for a terminal emulator.

The weakness was presented 01/13/2010 (Website). The advisory is shared at ush.it. The identification of this vulnerability is CVE-2009-4487. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are unknown but a public exploit is available.

The exploit is available at packetstormsecurity.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 254298 (Linux Distros Unpatched Vulnerability : CVE-2009-4487), which helps to determine the existence of the flaw in a target environment.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at X-Force (55533), Exploit-DB (33490), Tenable (254298), SecurityFocus (BID 37711†) and Vulnerability Center (SBV-31177†). See VDB-51545, VDB-51542, VDB-51541 and VDB-51540 for similar entries. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Input validation
CWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 254298
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2009-4487

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/30/2009 🔍
01/11/2010 +12 days 🔍
01/11/2010 +0 days 🔍
01/13/2010 +2 days 🔍
01/13/2010 +0 days 🔍
04/26/2011 +468 days 🔍
03/18/2015 +1422 days 🔍
08/26/2025 +3814 days 🔍

Sourcesinfo

Advisory: ush.it
Status: Not defined

CVE: CVE-2009-4487 (🔍)
GCVE (CVE): GCVE-0-2009-4487
GCVE (VulDB): GCVE-100-51533
X-Force: 55533
SecurityFocus: 37711 - nginx Terminal Escape Sequence in Logs Command Injection Vulnerability
Vulnerability Center: 31177 - nginx 0.7.64 Allows Remote Modification, Arbitrary Files Overwrite or Arbitrary Code Execution, High

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 03/18/2015 15:15
Updated: 08/26/2025 10:14
Changes: 03/18/2015 15:15 (49), 03/21/2017 11:53 (8), 08/31/2021 08:53 (3), 06/08/2024 23:18 (22), 01/11/2025 13:12 (5), 08/26/2025 10:14 (3)
Complete: 🔍
Cache ID: 216:FC8:103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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